I have a B-25 ARF from KMP....not too complicated to assemble, and an excellent flyer with a pair of Maf 91 4 storkes..only one complain..the replacement paint dosen 't match ...other then that.it was ok...Of course I had to wait 3-1/2 months for the retracts...suggest when this B-25 comes out,make sure the retracts are available..Retracts are robarts......................................